Zobrazeno 1 - 10
of 9 759
pro vyhledávání: '"Multiband"'
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 3, Pp 71-80 (2024)
Background. The need to create, space communication stations based on mobile carriers, for example, on ships, requires the use of multi-band reflector antennas irradiating systems that ensure the combination of not only channels for receiving and tra
Externí odkaz:
https://doaj.org/article/96ec1b53b8d94e2097a6a8bba6e87bcd
Autor:
Rustam Y. Rasulov, Voxob R. Rasulov, Nurillo U. Kodirov, Mardon Kh. Nasirov, Ikbol M. Eshboltaev
Publikováno v:
East European Journal of Physics, Iss 3, Pp 303-309 (2024)
A quantitative theory of two-photon linear-circular dichroism caused between the subbands of light and heavy holes of the valence band and conduction band is constructed, which takes into account the admixture of valence band states to the conduction
Externí odkaz:
https://doaj.org/article/76d96ab0ffb94c009cf3119dbf1aa963
Publikováno v:
ICT Express, Vol 10, Iss 4, Pp 836-844 (2024)
Satellite communication has reached a turning point in transmitting data quickly and receiving signals clearly in faraway places. This paper presents a metamaterial-based antenna for distant and military applications that overcomes restrictions and p
Externí odkaz:
https://doaj.org/article/2d88610ef5df4d3fa5bfdb434ee10491
Autor:
Zinhar Zununjan, Mardan Aghabey Turghan, Mutallip Sattar, Nijat Kasim, Bilal Emin, Abdugheni Abliz
Publikováno v:
Plant Methods, Vol 20, Iss 1, Pp 1-24 (2024)
Abstract Leaf water content (LWC) is a vital indicator of crop growth and development. While visible and near-infrared (VIS–NIR) spectroscopy makes it possible to estimate crop leaf moisture, spectral preprocessing and multiband spectral indices ha
Externí odkaz:
https://doaj.org/article/eb253c833a8249b7822ce6e8f6cb700e
Publikováno v:
Leida xuebao, Vol 13, Iss 3, Pp 525-538 (2024)
Fine terrain classification is one of the main applications of Synthetic Aperture Radar (SAR). In the multiband fully polarized SAR operating mode, obtaining information on different frequency bands of the target and polarization response characteris
Externí odkaz:
https://doaj.org/article/a8ca9727b8f448b9995661c8e7594528
Publikováno v:
Multiband Corporation MarketLine Company Profile. 1/2/2018, p1-10. 10p.
Autor:
Yuko Nakamura, Takuya Ishida
Publikováno v:
NeuroImage, Vol 300, Iss , Pp 120867- (2024)
Recent technical developments have led to the invention of multiband functional magnetic resonance imaging (fMRI) sequences that allow for faster sampling rates. However, some studies have highlighted problems with these sequences, leading to a decre
Externí odkaz:
https://doaj.org/article/346144a88c14404fa542f42379f9f266
Autor:
M. G. Shah, D. Burgess
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
Whistler mode waves are one of the dominant plasma emissions occurring in the Earth’s magnetosphere. Using data from the Magnetospheric Multiscale (MMS) mission taken in the outer magnetosphere, we present observations of a multiband whistler event
Externí odkaz:
https://doaj.org/article/98fc843b7bef4e2e8791360b59944c80
Publikováno v:
Scientific African, Vol 25, Iss , Pp e02294- (2024)
The demand for multiband and high-gain THz antennas is escalating due to advancements in terahertz (THz) applications, particularly in biomedical conditions. An innovative fork microstrip antenna design has been introduced, operating at THz frequenci
Externí odkaz:
https://doaj.org/article/fd3e5aab591249928221a623a4375d95
Autor:
Sergey I. Boychuk
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 1, Pp 61-70 (2024)
Background. The need to create antenna-waveguide paths for multi-band reflector antennas of satellite communication systems requires the use of various methods for selecting the structure, determining and optimizing the parameters of antenna-waveguid
Externí odkaz:
https://doaj.org/article/0bdc81c8509f406d9a23b9499141d332